| In this paper we applied two well known empirical models, the ‘pricing-to-market’ and the ‘residual demand elasticity’ approach, to test for market power of German food and beverage exporters on the main international markets (beer, cocoa powder, chocolate, and sugar confectionary). We compared the estimation results and considered the time series properties of the model variables, which both had an impact on the conclusions drawn from the model estimates. On many international food markets conditions for the existence of market power are fulfilled, such as concentrated supply and/or demand structures, or specific product qualities. For the products under study we have shown that the supply side is highly concentrated. For instance, for beer, cocoa powder,... |
